<div class="panel-group" id="pg">
{foreach $nav as $key=>$meau}
<div class="panel {if $Request.controller == $meau['controller']}panel-info{/else}panel-default{/if}">
    <div class="panel-heading">
        <h3 class="panel-title"><a href="{$meau['pg']}" data-toggle="collapse" data-parent="#pg"><span class="glyphicon {$meau['glyphicon']}"></span>{$meau['ptitle']}</a></h3>
    </div>
    <div class="panel-collapse collapse {if $Request.controller == $meau['controller']}in{/if}" id="{$meau['pg']}">
    <div class="panel-body">
        <ul class="list-group">
            {foreach $meau['item'] ak $key=>$vo}
            <li class="list-group-item"><a href="{$vo['url']}">{$vo['ctitle']}</a></li>
            {/foreach}
        </ul>
    </div>
</div>
</div>
{/foreach}
</div>